1. Hinduja, S., Patchin, J.: Cyberbullying: neither an epidemic nor a rarity. Eur. J. Dev. Psychol. 9(5), 539–543 (2012)
2. Why do kids cyberbully each other? http://www.stopcyberbullying.org/why_do_kids_cyberbully_each_other.html
3. Šléglová, V., Cerna, A.: Cyberbullying in adolescent victims: perception and coping. Cyberpsychology 5, 2 (2011)
4. Learn how to control your Twitter experience. https://help.twitter.com/en/safety-and-security/control-your-twitter-experience
5. Basic Privacy Settings & Tools. https://www.facebook.com/help/325807937506242/